首页
登录
职称英语
In a way, all of us are on a spaceship, the planet Earth. We move around the
In a way, all of us are on a spaceship, the planet Earth. We move around the
游客
2025-05-08
25
管理
问题
In a way, all of us are on a spaceship, the planet Earth. We move around the sun【36】18 miles per second and never stop. On our spaceship we have five billion people and a limited supply of air, water, and land. The【37】have to be used carefully because we can’t buy new air, water, or land from【38】else.
The environment on our planet is a closed system: nothing new is ever added. Nature【39】its resources. Water, for example, evaporates and【40】as visible drops to form clouds. This same water returns to the Earth as rain or snow. The rain that falls today is actually the same water fell on the【41】70 million years ago.
Today, the Earth is in trouble. Factories【42】dirty water into our rivers. Many fish die and the water becomes unhealthy for people to drink. Cars and factories put poisons【43】the air and cause plants, animals and people to get sick. People throw bottles and paper out of their car windows, and the roadside becomes covered with all sorts of wastes. Over the years, people have changed the environment, and we have pollution.
To continue to【44】we must learn how to use the Earth’ s resources wisely. We have to change our【45】and stop dumping such enormous amounts of industrial waste into the water and air. We must cooperate with nature and learn better ways to use, not abuse, our environment. [br]
选项
A、air
B、cloud
C、world
D、land
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/4066870.html
相关试题推荐
Keysshouldneverbehiddenaroundthehousesincethieves______knowwhereto
Althoughwehavebadlyfouledourplanetarynext,______,itisbynomeansclea
TheUnitedStates(hassent)several(spacecrafts)intoorbits(aroundtheearth
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
IntheUnitedStatesandinmany【51】countriesaroundtheworld,thereare
随机试题
MemorandumTo:W
ObtainingLinguisticDataA)Manyproceduresareavailabl
Literature[img]2014m9s/ct_etoefm_etoeflistz_0199_20149[/img][br]ListentoTra
设计凸轮机构时,当凸轮角速度为ω1、从动件运动规律已知时,则有( )。A.基圆
采用离心泵抽水时,抽水过程中抽水孔和观测的动水位波动值分别不大于()。A.1
在美国银行业的监管机构中,()负责制定统一的监管准则和报告格式,是监管机构的协
A.三联吡啶钌B.碱性磷酸酶C.三丙胺D.鲁米诺E.吖啶酯直接化学发光免疫分析采
2020年我国农产品贸易额2468.3亿美元,同比增8.0%。其中,出口额同比减
人的素历与学历不同,学历是指一个人在学校的学习经历,而素历是一个人自身的素质训练
表明具有特定保健功能的食品必须符合下列要求,但是除外A.其产品及说明书必须报国务
最新回复
(
0
)